Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements of Operations (Unaudited) [Abstract]
Net revenues	$ 4,859,000	$ 6,997,000
Cost of revenues	2,860,000	4,402,000
Gross profit	1,999,000	2,595,000
Expenses:
Selling, general and administrative	2,316,000	1,940,000
Research and development	923,000	725,000
Total operating expenses	3,239,000	2,665,000
Interest and other income, net	32,000	2,000
Net loss	$ (1,208,000)	$ (68,000)
Per share data:
Basic and diluted net loss per common share (in dollars per share)	$ (0.07)	$ 0.00
Shares used in computing per share data (in shares)	16,363,033	14,023,271